Individual provider Active NPI

Aaron Costlow

  • Anesthesiology Physician
  • Indianapolis, IN
National Provider Identifier
1164008504
Registry record updated Feb 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
01095285A Issued in IN
Practice address
1130 W Michigan St # Fh204
Indianapolis, IN 46202-5209
Phone
(317) 274-0076
Fax
(317) 274-0256
NPI assigned
Mar 23, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 2, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X 11021618A IN
Anesthesiology Physician 207L00000X 01095285A IN Primary

Addresses

Primary practice location

1130 W Michigan St # Fh204
Indianapolis, IN 46202-5209

Mailing address

1130 W Michigan St # Fh204
Indianapolis, IN 46202-5209
Phone (317) 274-0076

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IN, KY2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20250603003702 IN Practitioner - Anesthesiology 0244630101 Reassigns benefits to 1 organization
I20250729003525 KY Practitioner - Anesthesiology 0244630101 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Indiana University School of Medicine, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Methodist Health, Inc.Group PAC ID 4981508454, 69 clinicians
Deaconess Hospital, Inc.Group PAC ID 9032021431, 410 clinicians

Practice addresses (Care Compare)

1305 N Elm St
Henderson, KY 42420-2783
Phone (270) 827-7700

600 Mary St
Evansville, IN 47710-1658
Phone (812) 450-7299

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Deaconess Hospital, Inc Current Accepting new patients
Methodist Health, Inc. CurrentSince Jul 1, 2025 Accepting new patients
Methodist Health, Inc. Anesthesiology CurrentSince Jul 1, 2025 Accepting new patients
Methodist Health, Inc. Current Accepting new patients
Deaconess Hospital, Inc Anesthesiology CurrentSince Jul 1, 2025 Accepting new patients
Deaconess Hospital Inc CurrentSince Jul 1, 2025 Accepting new patients

Locations

600 Mary St
Evansville, IN 47710
Phone (812) 450-2239

1305 N Elm St
Henderson, KY 42420
Phone (270) 827-7100

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1616457600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769990400000",
    "number": "1164008504",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1130 W MICHIGAN ST # FH204",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025209",
            "telephone_number": "317-274-0076",
            "fax_number": "317-274-0256"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1130 W MICHIGAN ST # FH204",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025209",
            "telephone_number": "317-274-0076",
            "fax_number": "317-274-0256"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COSTLOW",
        "first_name": "AARON",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-23",
        "last_updated": "2026-02-02",
        "certification_date": "2026-02-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "IN",
            "license": "11021618A",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IN",
            "license": "01095285A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Indianapolis, IN

Sources for this page

Verify at the official NPI Registry.